Commit Graph

78985 Commits

Author SHA1 Message Date
Greg Kurz 14de3d4ac5 ppc/pnv: Make PSI device types not user creatable
QEMU aborts with -device pnv-psi-POWER8:

$ qemu-system-ppc64 -device pnv-psi-POWER8
qemu-system-ppc64: hw/intc/xics.c:605: ics_realize: Assertion
`ics->xics' failed.
Aborted (core dumped)

The Processor Service Interface Controller is an internal device.
It should only be instantiated by the chip, which takes care of
configuring the link required by the ICS object in the case of
POWER8. It doesn't make sense for a user to specify it on the
command line.

Note that the PSI model for POWER8 was added 3 yrs ago but the
devices weren't available on the command line because of a bug
that was fixed by recent commit 2f35254aa0 ("pnv/psi: Correct
the pnv-psi* devices not to be sysbus devices").

Fixes: 54f59d786c ("ppc/pnv: Add cut down PSI bridge model and hookup external interrupt")
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <159413975752.169116.5808968580649255382.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-07-20 09:21:39 +10:00
Peter Maydell 9fc8711100 Fix vector min/max fallback expansion
Fix singlestep from exception and interrupt
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20200717' into staging

Fix vector min/max fallback expansion
Fix singlestep from exception and interrupt

# gpg: Signature made Fri 17 Jul 2020 19:13:32 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20200717:
  tcg/cpu-exec: precise single-stepping after an interrupt
  tcg/cpu-exec: precise single-stepping after an exception
  tcg: Save/restore vecop_list around minmax fallback

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-19 10:29:05 +01:00
Peter Maydell b442119329 Man page update and new set sensor command
Some minor man page updates for fairly obvious things.
 
 The set sensor command addition has been in the Power group's tree for a
 long time and I have neglected to submit it.
 
 -corey
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Merge remote-tracking branch 'remotes/cminyard/tags/for-qemu-ipmi-5' into staging

Man page update and new set sensor command

Some minor man page updates for fairly obvious things.

The set sensor command addition has been in the Power group's tree for a
long time and I have neglected to submit it.

-corey

# gpg: Signature made Fri 17 Jul 2020 17:45:32 BST
# gpg:                using RSA key FD0D5CE67CE0F59A6688268661F38C90919BFF81
# gpg: Good signature from "Corey Minyard <cminyard@mvista.com>" [unknown]
# gpg:                 aka "Corey Minyard <minyard@acm.org>" [unknown]
# gpg:                 aka "Corey Minyard <corey@minyard.net>" [unknown]
# gpg:                 aka "Corey Minyard <minyard@mvista.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: FD0D 5CE6 7CE0 F59A 6688  2686 61F3 8C90 919B FF81

* remotes/cminyard/tags/for-qemu-ipmi-5:
  ipmi: add SET_SENSOR_READING command
  ipmi: Fix a man page entry
  ipmi: Add man page pieces for the IPMI PCI devices

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-18 23:59:03 +01:00
Peter Maydell 939ab64b40 bitmaps patches for 2020-07-17
- improve corner-case of bitmap migration
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 =dnzH
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ericb/tags/pull-bitmaps-2020-07-17' into staging

bitmaps patches for 2020-07-17

- improve corner-case of bitmap migration

# gpg: Signature made Fri 17 Jul 2020 16:10:07 BST
# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg:                 aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-bitmaps-2020-07-17:
  migration/block-dirty-bitmap: fix add_bitmaps_to_list

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-18 22:24:34 +01:00
Peter Maydell 97f750beca Fix typo in newly added documentation.
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20200717' into staging

Fix typo in newly added documentation.

# gpg: Signature made Fri 17 Jul 2020 14:54:20 BST
# gpg:                using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg:                issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [marginal]
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>" [marginal]
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>" [marginal]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20200717:
  docs/s390x: fix vfio-ccw type

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-18 17:27:34 +01:00
Richard Henderson ba3c35d9c4 tcg/cpu-exec: precise single-stepping after an interrupt
When single-stepping with a debugger attached to QEMU, and when an
interrupt is raised, the debugger misses the first instruction after
the interrupt.

Tested-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Buglink: https://bugs.launchpad.net/qemu/+bug/757702
Message-Id: <20200717163029.2737546-1-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-07-17 11:09:34 -07:00
Cédric Le Goater e3f7320caa ipmi: add SET_SENSOR_READING command
SET_SENSOR_READING is a complex IPMI command (see IPMI spec 35.17)
which enables the host software to set the reading value and the event
status of sensors supporting it.

Below is a proposal for all the operations (reading, assert, deassert,
event data) with the following limitations :

 - No event are generated for threshold-based sensors.
 - The case in which the BMC needs to generate its own events is not
   supported.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Corey Minyard <cminyard@mvista.com>
Message-Id: <20191118092429.16149-1-clg@kaod.org>
[Moved the break statement for case SENSOR_GEN_EVENT_DATA above the
 closing brace to keep the indention consistent.]
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2020-07-17 11:39:46 -05:00
Corey Minyard 789101b73d ipmi: Fix a man page entry
The line was too long, and some of the entries were wrong (fur instead
of fru).  Just use the prop=val thing tha other entries use.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2020-07-17 11:39:46 -05:00
Corey Minyard 323679da77 ipmi: Add man page pieces for the IPMI PCI devices
This was forgotten when the devices were added.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2020-07-17 11:39:46 -05:00
Peter Maydell 920d213cb2 Block layer patches:
- file-posix: Fix read-only Linux block devices with auto-read-only
 - Require aligned image size with O_DIRECT to avoid assertion failure
 - Allow byte-aligned direct I/O on NFS instead of guessing 4k alignment
 - Fix nbd_export_close_all() crash
 - Fix race in iotests case 030
 - qemu-img resize: Require --shrink for shrinking all image formats
 - crypto: use a stronger private key for tests
 - Remove VXHS block device
 - MAINTAINERS: vvfat: set status to odd fixes
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- file-posix: Fix read-only Linux block devices with auto-read-only
- Require aligned image size with O_DIRECT to avoid assertion failure
- Allow byte-aligned direct I/O on NFS instead of guessing 4k alignment
- Fix nbd_export_close_all() crash
- Fix race in iotests case 030
- qemu-img resize: Require --shrink for shrinking all image formats
- crypto: use a stronger private key for tests
- Remove VXHS block device
- MAINTAINERS: vvfat: set status to odd fixes

# gpg: Signature made Fri 17 Jul 2020 13:31:18 BST
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream:
  file-posix: Fix leaked fd in raw_open_common() error path
  file-posix: Fix check_hdev_writable() with auto-read-only
  file-posix: Move check_hdev_writable() up
  file-posix: Allow byte-aligned O_DIRECT with NFS
  block: Require aligned image size to avoid assertion failure
  iotests: test shutdown when bitmap is exported through NBD
  nbd: make nbd_export_close_all() synchronous
  iotests/030: Reduce job speed to make race less likely
  crypto: use a stronger private key for tests
  qemu-img resize: Require --shrink for shrinking all image formats
  Remove VXHS block device
  vvfat: set status to odd fixes

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-17 14:58:13 +01:00
Vladimir Sementsov-Ogievskiy 7cb015197b migration/block-dirty-bitmap: fix add_bitmaps_to_list
We shouldn't fail when finding an unnamed bitmap in a unnamed node or
node with auto-generated node name, as bitmap migration ignores such
bitmaps in the first place.

Fixes: 82640edb88
Fixes: 4ff5cc121b
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200626130658.76498-1-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: commit message grammar tweaks]
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-07-17 08:18:51 -05:00
Kevin Wolf a8c5cf27c9 file-posix: Fix leaked fd in raw_open_common() error path
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200717105426.51134-4-kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Kevin Wolf bca5283bd4 file-posix: Fix check_hdev_writable() with auto-read-only
For Linux block devices, being able to open the device read-write
doesn't necessarily mean that the device is actually writable (one
example is a read-only LV, as you get with lvchange -pr <device>). We
have check_hdev_writable() to check this condition and fail opening the
image read-write if it's not actually writable.

However, this check doesn't take auto-read-only into account, but
results in a hard failure instead of downgrading to read-only where
possible.

Fix this and do the writable check not based on BDRV_O_RDWR, but only
when this actually results in opening the file read-write. A second
check is inserted in raw_reconfigure_getfd() to have the same check when
dynamic auto-read-only upgrades an image file from read-only to
read-write.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200717105426.51134-3-kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Kevin Wolf 20eaf1bf6e file-posix: Move check_hdev_writable() up
We'll need to call it in raw_open_common(), so move the function to
avoid a forward declaration.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200717105426.51134-2-kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Kevin Wolf 5edc85571e file-posix: Allow byte-aligned O_DIRECT with NFS
Since commit a6b257a08e ('file-posix: Handle undetectable alignment'),
we assume that if we open a file with O_DIRECT and alignment probing
returns 1, we just couldn't find out the real alignment requirement
because some filesystems make the requirement only for allocated blocks.
In this case, a safe default of 4k is used.

This is too strict for NFS, which does actually allow byte-aligned
requests even with O_DIRECT. Because we can't distinguish both cases
with generic code, let's just look at the file system magic and disable
s->needs_alignment for NFS. This way, O_DIRECT can still be used on NFS
for images that are not aligned to 4k.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200716142601.111237-3-kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Kevin Wolf 9c60a5d197 block: Require aligned image size to avoid assertion failure
Unaligned requests will automatically be aligned to bl.request_alignment
and we can't extend write requests to access space beyond the end of the
image without resizing the image, so if we have the WRITE permission,
but not the RESIZE one, it's required that the image size is aligned.

Failing to meet this requirement could cause assertion failures like
this if RESIZE permissions weren't requested:

qemu-img: block/io.c:1910: bdrv_co_write_req_prepare: Assertion `end_sector <= bs->total_sectors || child->perm & BLK_PERM_RESIZE' failed.

This was e.g. triggered by qemu-img converting to a target image with 4k
request alignment when the image was only aligned to 512 bytes, but not
to 4k.

Turn this into a graceful error in bdrv_check_perm() so that WRITE
without RESIZE can only be taken if the image size is aligned. If a user
holds both permissions and drops only RESIZE, the function will return
an error, but bdrv_child_try_set_perm() will ignore the failure silently
if permissions are only requested to be relaxed and just keep both
permissions while returning success.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200716142601.111237-2-kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Vladimir Sementsov-Ogievskiy d047cfa78d iotests: test shutdown when bitmap is exported through NBD
Test shutdown when bitmap is exported through NBD and active client
exists. The previous patch fixes a crash, provoked by this scenario.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200714162234.13113-3-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Vladimir Sementsov-Ogievskiy 453cc6be0a nbd: make nbd_export_close_all() synchronous
Consider nbd_export_close_all(). The call-stack looks like this:
 nbd_export_close_all() -> nbd_export_close -> call client_close() for
each client.

client_close() doesn't guarantee that client is closed: nbd_trip()
keeps reference to it. So, nbd_export_close_all() just reduce
reference counter on export and removes it from the list, but doesn't
guarantee that nbd_trip() finished neither export actually removed.

Let's wait for all exports actually removed.

Without this fix, the following crash is possible:

- export bitmap through internal Qemu NBD server
- connect a client
- shutdown Qemu

On shutdown nbd_export_close_all is called, but it actually don't wait
for nbd_trip() to finish and to release its references. So, export is
not release, and exported bitmap remains busy, and on try to remove the
bitmap (which is part of bdrv_close()) the assertion fails:

bdrv_release_dirty_bitmap_locked: Assertion `!bdrv_dirty_bitmap_busy(bitmap)' failed

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200714162234.13113-2-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Kevin Wolf f21f12936f iotests/030: Reduce job speed to make race less likely
It can happen that the throttling of the stream job doesn't make it slow
enough that we can be sure that it still exists when it is referenced
again. Just use a much smaller speed to make this very unlikely to
happen again.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200716132829.20127-1-kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Daniel P. Berrangé 3e018afbfe crypto: use a stronger private key for tests
The unit tests using the x509 crypto functionality have started
failing in Fedora 33 rawhide with a message like

      The certificate uses an insecure algorithm

This is result of Fedora changes to support strong crypto [1]. RSA
with 1024 bit key is viewed as legacy and thus insecure. Generate
a new private key which is 3072 bits long and reasonable future
proof.

[1] https://fedoraproject.org/wiki/Changes/StrongCryptoSettings2

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200715154701.1041325-1-berrange@redhat.com>
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Kevin Wolf 1c404d756f qemu-img resize: Require --shrink for shrinking all image formats
QEMU 2.11 introduced the --shrink option for qemu-img resize to avoid
accidentally shrinking images (commit 4ffca8904a). However, for
compatibility reasons, it was not enforced for raw images yet, but only
a deprecation warning was printed. This warning has existed for long
enough that we can now finally require --shrink for raw images, too, and
error out if it's not given.

Documentation already describes the state as it is after this patch.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200710121717.28339-1-kwolf@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Marc-André Lureau a08464521c Remove VXHS block device
The vxhs code doesn't compile since v2.12.0. There's no point in fixing
and then adding CI for a config that our users have demonstrated that
they do not use; better to just remove it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200711065926.2204721-1-marcandre.lureau@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Prasad J Pandit 4b7c5bc447 vvfat: set status to odd fixes
Virtual VFAT driver is quite old and rarely used. Set its status
to Odd Fixes.

Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <20200710190451.761286-1-ppandit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-07-17 14:20:57 +02:00
Peter Maydell b7bda69c4e * Leak fixes
* One fix for running with --enable-werror on macOS
 * Add fuzzer test to the Gitlab-CI
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-07-17' into staging

* Leak fixes
* One fix for running with --enable-werror on macOS
* Add fuzzer test to the Gitlab-CI

# gpg: Signature made Fri 17 Jul 2020 10:53:07 BST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2020-07-17:
  gitlab-ci.yml: Add fuzzer tests
  qom: Plug memory leak in "info qom-tree"
  configure: Fix for running with --enable-werror on macOS
  fuzz: Expect the cmdline in a freeable GString
  tests: qmp-cmd-test: fix memory leak
  qtest: bios-tables-test: fix a memory leak

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-17 12:06:02 +01:00
Cornelia Huck 9ece07d7a3 docs/s390x: fix vfio-ccw type
Fix the type name in the mdevctl example.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20200716145031.771476-1-cohuck@redhat.com>
2020-07-17 12:56:22 +02:00
Thomas Huth b610eba335 gitlab-ci.yml: Add fuzzer tests
So far we neither compile-tested nor run any of the new fuzzers in our CI,
which led to some build failures of the fuzzer code in the past weeks.
To avoid this problem, add a job to compile the fuzzer code and run some
loops (which likely don't find any new bugs via fuzzing, but at least we
know that the code can still be run).

A nice side-effect of this test is that the leak tests are enabled here,
so we should now notice some of the memory leaks in our code base earlier.

Message-Id: <20200716100950.27396-1-thuth@redhat.com>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-07-17 10:44:23 +02:00
Markus Armbruster ab2d185d6b qom: Plug memory leak in "info qom-tree"
Commit e8c9e65816 "qom: Make "info qom-tree" show children sorted"
created a memory leak, because I didn't realize
object_get_canonical_path_component()'s value needs to be freed.

Reproducer:

    $ qemu-system-x86_64 -nodefaults -display none -S -monitor stdio
    QEMU 5.0.50 monitor - type 'help' for more information
    (qemu) info qom-tree

This leaks some 4500 path components, 12-13 characters on average,
i.e. roughly 100kBytes depending on the allocator.  A couple of
hundred "info qom-tree" here, a couple of hundred there, and soon
enough we're talking about real memory.

Plug the leak.

Fixes: e8c9e65816
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reported-by: Reviewed-by: Li Qiang <liq3ea@gmail.com> [sent same patch]
Message-Id: <20200714160202.3121879-3-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-07-17 10:44:23 +02:00
Thomas Huth 12a9b8d824 configure: Fix for running with --enable-werror on macOS
The configure script currently refuses to succeed when run on macOS
with --enable-werror:

 ERROR: configure test passed without -Werror but failed with -Werror.

The information in config.log indicates:

 config-temp/qemu-conf.c:3:55: error: control reaches end of non-void
 function [-Werror,-Wreturn-type]
 static void *f(void *p) { pthread_setname_np("QEMU"); }
                                                      ^
And indeed, the return statement is missing here.

Fixes: 479a57475e ("util: Implement debug-threads for macOS")
Message-Id: <20200716055655.24507-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-07-17 10:44:23 +02:00
Alexander Bulekov f5ec79f5e0 fuzz: Expect the cmdline in a freeable GString
In the initial FuzzTarget, get_init_cmdline returned a char *. With this
API, we had no guarantee about where the string came from. For example,
i440fx-qtest-reboot-fuzz simply returned a pointer to a string literal,
while the QOS-based targets build the arguments out in a GString an
return the gchar *str pointer. Since we did not try to free the cmdline,
we have a leak for any targets that do not simply return string
literals. Clean up this mess by forcing fuzz-targets to return
a GString, that we can free.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200714174616.20709-1-alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-07-17 10:44:23 +02:00
Li Qiang 15c51f724e tests: qmp-cmd-test: fix memory leak
Properly free each test response to avoid memory leak and separate
qtest_qmp() calls with spare lines, in a consistent manner.

Fixes: 5b88849e7b9("tests/qmp-cmd-test: Add qmp/object-add-failure-modes")
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Li Qiang <liq3ea@163.com>
Message-Id: <20200715154117.15456-1-liq3ea@163.com>
Fixes: 9fc719b869 ("tests/qmp-cmd-test: Add qmp/object-add-duplicate-id")
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-07-17 10:44:23 +02:00
Li Qiang 82e258db15 qtest: bios-tables-test: fix a memory leak
Fixes: 5da7c35e25a("bios-tables-test: Add Q35/TPM-TIS test")
Signed-off-by: Li Qiang <liq3ea@163.com>
Message-Id: <20200714153536.66060-1-liq3ea@163.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-07-17 10:44:23 +02:00
Luc Michel a7ba744f40 tcg/cpu-exec: precise single-stepping after an exception
When single-stepping with a debugger attached to QEMU, and when an
exception is raised, the debugger misses the first instruction after the
exception:

$ qemu-system-aarch64 -M virt -display none -cpu cortex-a53 -s -S

$ aarch64-linux-gnu-gdb
GNU gdb (GDB) 9.2
[...]
(gdb) tar rem :1234
Remote debugging using :1234
warning: No executable has been specified and target does not support
determining executable automatically.  Try using the "file" command.
0x0000000000000000 in ?? ()
(gdb) # writing nop insns to 0x200 and 0x204
(gdb) set *0x200 = 0xd503201f
(gdb) set *0x204 = 0xd503201f
(gdb) # 0x0 address contains 0 which is an invalid opcode.
(gdb) # The CPU should raise an exception and jump to 0x200
(gdb) si
0x0000000000000204 in ?? ()

With this commit, the same run steps correctly on the first instruction
of the exception vector:

(gdb) si
0x0000000000000200 in ?? ()

Buglink: https://bugs.launchpad.net/qemu/+bug/757702
Signed-off-by: Luc Michel <luc.michel@greensocs.com>
Message-Id: <20200716193947.3058389-1-luc.michel@greensocs.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-07-16 14:08:29 -07:00
Peter Maydell 151f76c689 x86 fixes for -rc1
Fixes for x86 that missed hard freeze:
 * Don't trigger warnings for features set by
   CPU model versions (Xiaoyao Li)
 * Missing features in Icelake-Server, Skylake-Server,
   Cascadelake-Server CPU models (Chenyi Qiang)
 * Fix hvf x86_64 guest boot crash (Roman Bolshakov)
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-pull-request' into staging

x86 fixes for -rc1

Fixes for x86 that missed hard freeze:
* Don't trigger warnings for features set by
  CPU model versions (Xiaoyao Li)
* Missing features in Icelake-Server, Skylake-Server,
  Cascadelake-Server CPU models (Chenyi Qiang)
* Fix hvf x86_64 guest boot crash (Roman Bolshakov)

# gpg: Signature made Thu 16 Jul 2020 19:17:18 BST
# gpg:                using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg:                issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/x86-next-pull-request:
  i386: hvf: Explicitly set CR4 guest/host mask
  target/i386: add the missing vmx features for Skylake-Server and Cascadelake-Server CPU models
  target/i386: fix model number and add missing features for Icelake-Server CPU model
  target/i386: add fast short REP MOV support
  i386/cpu: Don't add unavailable_features to env->user_features
  i368/cpu: Clear env->user_features after loading versioned CPU model

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-16 21:46:18 +01:00
Richard Henderson 69c918d2ef tcg: Save/restore vecop_list around minmax fallback
Forgetting this asserts when tcg_gen_cmp_vec is called from
within tcg_gen_cmpsel_vec.

Fixes: 72b4c792c7
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-07-16 13:09:22 -07:00
Roman Bolshakov 818b9f111d i386: hvf: Explicitly set CR4 guest/host mask
Removal of register reset omitted initialization of CR4 guest/host mask.
x86_64 guests aren't booting without it.

Fixes: 5009ef22c6 ("i386: hvf: Don't duplicate register reset")
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20200714090726.41082-1-r.bolshakov@yadro.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-07-16 14:15:13 -04:00
Peter Maydell 95d1fbabae fixes: usb storage regression, vfio display ramfb bug
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Merge remote-tracking branch 'remotes/kraxel/tags/fixes-20200716-pull-request' into staging

fixes: usb storage regression, vfio display ramfb bug

# gpg: Signature made Thu 16 Jul 2020 10:30:58 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/fixes-20200716-pull-request:
  usb: fix storage regression
  vfio: fix use-after-free in display

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-16 18:50:51 +01:00
Chenyi Qiang 644e3c5d81 target/i386: add the missing vmx features for Skylake-Server and Cascadelake-Server CPU models
Add the missing vmx features in Skylake-Server and Cascadelake-Server
CPU models based on the output of Paolo's script.

Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20200714084148.26690-4-chenyi.qiang@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-07-16 11:05:03 -04:00
Chenyi Qiang e0013791b9 target/i386: fix model number and add missing features for Icelake-Server CPU model
Add the missing features(sha_ni, avx512ifma, rdpid, fsrm,
vmx-rdseed-exit, vmx-pml, vmx-eptp-switching) and change the model
number to 106 in the Icelake-Server-v4 CPU model.

Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20200714084148.26690-3-chenyi.qiang@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-07-16 11:05:03 -04:00
Chenyi Qiang 5cb287d2bd target/i386: add fast short REP MOV support
For CPUs support fast short REP MOV[CPUID.(EAX=7,ECX=0):EDX(bit4)], e.g
Icelake and Tigerlake, expose it to the guest VM.

Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20200714084148.26690-2-chenyi.qiang@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-07-16 11:05:03 -04:00
Xiaoyao Li f9f08e7cae i386/cpu: Don't add unavailable_features to env->user_features
Features unavailable due to absent of their dependent features should
not be added to env->user_features. env->user_features only contains the
feature explicity specified with -feature/+feature by user.

Fixes: 99e24dbdaa ("target/i386: introduce generic feature dependency mechanism")
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-Id: <20200713174436.41070-3-xiaoyao.li@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-07-16 11:04:42 -04:00
Xiaoyao Li 1f43671a0d i368/cpu: Clear env->user_features after loading versioned CPU model
Features defined in versioned CPU model are recorded in env->user_features
since they are updated as property. It's unwated because they are not
user specified.

Simply clear env->user_features as a fix. It won't clear user specified
features because user specified features are filled to
env->user_features later in x86_cpu_expand_features().

Cc: Chenyi Qiang <chenyi.qiang@intel.com>
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-Id: <20200713174436.41070-2-xiaoyao.li@intel.com>
[ehabkost: fix coding style]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-07-16 11:04:42 -04:00
Peter Maydell 175788d4eb Merge tpm 2020/07/15 v1
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 =D8HF
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2020-07-15-1' into staging

Merge tpm 2020/07/15 v1

# gpg: Signature made Wed 15 Jul 2020 20:16:21 BST
# gpg:                using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2020-07-15-1:
  tests: tpm: Skip over pcrUpdateCounter byte in result comparison
  tpm: tpm_spapr: Exit on TPM backend failures

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-16 14:46:47 +01:00
Peter Maydell ee5128bb00 -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
 
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 =UURQ
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Wed 15 Jul 2020 14:49:07 BST
# gpg:                using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request:
  ftgmac100: fix dblac write test
  net: detect errors from probing vnet hdr flag for TAP devices
  net: check if the file descriptor is valid before using it
  qemu-options.hx: Clean up and fix typo for colo-compare
  net/colo-compare.c: Expose compare "max_queue_size" to users
  hw/net: Added CSO for IPv6
  virtio-net: fix removal of failover device

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-16 13:12:05 +01:00
Gerd Hoffmann 4084e35068 usb: fix storage regression
Fix the contition to figure whenever we need to wait for more data or
not.  Simply check the mode, if we are not in DATAIN state any more we
are done already and don't need to go ASYNC.

Fixes: 7ad3d51ebb ("usb: add short-packet handling to usb-storage driver")
Reported-by: Sai Pavan Boddu <saipava@xilinx.com>
Tested-by: Paul Zimmerman <pauldzim@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200713062712.1476-1-kraxel@redhat.com
2020-07-16 10:20:27 +02:00
Gerd Hoffmann 8ec1415935 vfio: fix use-after-free in display
Calling ramfb_display_update() might replace the DisplaySurface with the
boot display, which in turn will free the currently active
DisplaySurface.

So clear our DisplaySurface pinter (dpy->region.surface pointer) to (a)
avoid use-after-free and (b) force replacing the boot display with the
real display when switching back.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Message-id: 20200713124520.23266-1-kraxel@redhat.com
2020-07-16 10:20:12 +02:00
Stefan Berger df8a756893 tests: tpm: Skip over pcrUpdateCounter byte in result comparison
The TPM 2 code in libtpms was fixed to handle the PCR 'TCB group' according
to the PCClient profile. The change of the PCRs belonging to the 'TCB group'
now affects the pcrUpdateCounter in the TPM2_PCRRead() responses where its
value is now different (typically lower by '1') than what it was before. To
not fail the tests, we skip the comparison of the 14th byte, which
represents the pcrUpdateCounter.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200707201625.4177419-3-stefanb@linux.vnet.ibm.com
2020-07-15 14:57:33 -04:00
Stefan Berger f8b332a1ff tpm: tpm_spapr: Exit on TPM backend failures
Exit on TPM backend failures in the same way as the TPM CRB and TIS device
models do. With this change we now get an error report when the backend
did not start up properly:

error: internal error: qemu unexpectedly closed the monitor:
2020-07-07T12:49:28.333928Z qemu-system-ppc64: tpm-emulator: \
  TPM result for CMD_INIT: 0x101 operation failed

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200707201625.4177419-2-stefanb@linux.vnet.ibm.com
2020-07-15 14:57:33 -04:00
Peter Maydell 8746309137 Update version for v5.1.0-rc0 release
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-15 19:08:07 +01:00
Peter Maydell dfcade7cef Final fixes for 5.1-rc0
- minor documentation nit
   - docker.py bootstrap fixes
   - tweak containers.yml wildcards
   - fix float16 nan detection
   - conditional use of -Wpsabi
   - fix missing iotlb data for plugins
   - proper locking for helper based bb count
   - drop ppc64abi32 from the plugin check-tcg test
 -----BEGIN PGP SIGNATURE-----
 
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-misc-for-rc0-150720-3' into staging

Final fixes for 5.1-rc0

  - minor documentation nit
  - docker.py bootstrap fixes
  - tweak containers.yml wildcards
  - fix float16 nan detection
  - conditional use of -Wpsabi
  - fix missing iotlb data for plugins
  - proper locking for helper based bb count
  - drop ppc64abi32 from the plugin check-tcg test

# gpg: Signature made Wed 15 Jul 2020 11:59:08 BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-misc-for-rc0-150720-3:
  .travis.yml: skip ppc64abi32-linux-user with plugins
  plugins: expand the bb plugin to be thread safe and track per-cpu
  cputlb: ensure we save the IOTLB data in case of reset
  tests/plugins: don't unconditionally add -Wpsabi
  fpu/softfloat: fix up float16 nan recognition
  gitlab-ci/containers: Add missing wildcard where we should look for changes
  docker.py: fix fetching of FROM layers
  tests/docker: Remove the libssh workaround from the ubuntu 20.04 image
  docs/devel: fix grammar in multi-thread-tcg

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-07-15 17:16:39 +01:00
erik-smit a134321ef6 ftgmac100: fix dblac write test
The test of the write of the dblac register was testing the old value
instead of the new value. This would accept the write of an invalid value
but subsequently refuse any following valid writes.

Signed-off-by: erik-smit <erik.lucas.smit@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2020-07-15 21:00:13 +08:00